I would like to run something like the following code: async fn get_user(s: &str) -> Option<User> { /* ... */ } let user_id = Some("sessiontoken").and_then(|session_token| {...

I'm facing a scenario where I need to run async code from the drop handler of an object. The whole application runs in a tokio async context, so I know that the drop handler is called with an activ...

I want to do something like this: // NOTE: This doesn't compile struct A { v: u32 } async fn foo< C: for<'a> FnOnce(&'a A) -> Pin<Box<dyn Future<Output = ()> + 'a&gt...

Is there a more idiomatic or prettier way to do an operation like this in rust? let maybe_output = match maybe_input { Some(input) => Some(async_result(input).await?), None => None, }; I ...

I have the following code use std::future::Future; fn main() { handle(Test::my_func); } fn handle<Fut>(fun: for<'r> fn(&'r mut Test) -> Fut) -> bool where Fut: Future<Ou...

I'm trying to get data using crates_io_api. I attempted to get data from a stream, but I can not get it to work. AsyncClient::all_crates returns an impl Stream. How do I get data from it? It would ...